//
//  AppSingleInstance.m
//  YMDrawingBoard
//
//  Created by 刘家俊 on 2020/12/2.
//  Copyright © 2020 余默. All rights reserved.
//

#import "AppSingleInstance.h"

@implementation AppSingleInstance

+ (AppSingleInstance *)sharedInstance {
    static AppSingleInstance *varInstance = nil;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        varInstance = [[AppSingleInstance alloc] init];
    });
    return varInstance;
}

@end
